here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 29176  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 205455 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 535892 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 694303 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 840048 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 988095 | tester:6 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 94496   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 479156  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 727828  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 823416  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 887026  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1016724 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 |_________|__________|_______|______|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 301909 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 463094 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 674460 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 676563 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 777818 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 987055 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 |________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 173432 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 222981 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 295216 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 324619 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 584918 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 904642 | tester:6 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#